Mariner Backtesting - order.send() MKT Market Order (Simple)

# Copyright Cloudquant, LLC. All right reserved.
# MKT Order - CQ LITE & ELITE - Market Order - Place a market order right away
# Run on 1/18/2018. We test with GOOG, we start checking at 12:50 with the GOOG price around 127.5

from cloudquant.interfaces import Strategy
class New_Order_Method_Market(Strategy):

    @classmethod
    def is_symbol_qualified(cls, symbol, md, service, account):
        return symbol == 'GOOG'

    def on_start(self, md, order, service, account):
        self.status = 0

    def on_minute_bar(self, event, md, order, service, account, bar):
        if event.timestamp >= service.time(12,50):
            time_string =service.time_to_string(event.timestamp, format='%H:%M:%S') # going to print this a few times so no point repeatedly calling it and code is easier to read.
            mbar = bar.minute(start=-1)
            mlow = mbar.low[0]
            mhigh = mbar.high[0]
            print("{} -  prevbarlow{:8.2f}  bid{:8.2f}  last{:8.2f}  ask{:8.2f}  prevbarhigh{:8.2f}".format(time_string, mlow,md.L1.bid, md.L1.last, md.L1.ask,mhigh))

            if self.status==0: 
                self.order_handle_b = order.send(self.symbol, 'buy', 10, type='MKT')  # Market order, no price required
                print("{} - Buy  Market order sent {}, most recent print{:8.2f}".format(time_string ,self.symbol,md.L1.last))
                self.order_handle_s = order.send(self.symbol, 'sell', 10, type='MKT') # Market order, no price required
                print("{} - Sell Market order sent {}, most recent print{:8.2f}".format(time_string ,self.symbol,md.L1.last))
                self.status = 1

# Note : on_fill will only be called for CQ Elite users 
    def on_fill(self, event, md, order, service, account): 
        if self.status == 1:
            print("{} -  Filled,  price{:8.2f}".format(service.time_to_string(event.timestamp, format='%H:%M:%S'), event.price))
            self.status == 2